CN216416001U - Silk supply machine and cigarette equipment - Google Patents

Abstract

The utility model discloses a silk supply machine, which comprises an air suction chamber; the silk suction belt is arranged in the air suction chamber; the filament suction belt driven wheel is arranged at the tail part in the air suction chamber; the cut tobacco stop block is arranged in the air suction chamber and is positioned on one side of the cut tobacco suction belt driven wheel; one side of the cut tobacco stop block close to the driven wheel is an arc surface; the arc surface sequentially comprises a first arc surface, a second arc surface and a third arc surface along the axial direction of the driven wheel of the silk suction belt; the second arc surface is located in the middle of the arc surface, and the radius of the second arc surface is smaller than the radius of the first arc surface and the radius of the third arc surface. The utility model discloses can realize the pipe tobacco dog and inhale the silk ribbon and can form different laminating clearances from the driving wheel, when blockking that the pipe tobacco gets into the cavity position, if have the tobacco dust through the gap get into also can be through great gap exhaust effect, avoid leading to inhaling the silk ribbon because of the tobacco dust blocks up and die from the driving wheel card, and then guarantee equipment normal operating. The utility model discloses still disclose a cigarette equipment, supply the silk machine including the aforesaid.

Description

Silk supply machine and cigarette equipment

Technical Field

The utility model relates to a cigarette field, in particular to confession silk machine and cigarette equipment.

Background

The cigarette manufacturing process comprises the following steps: the tobacco leaves are remoistened and subjected to moisture balance, then the tobacco leaves are fed, the tobacco leaves are cut after moisture balance again, the cut tobacco leaves after cut tobacco cutting are respectively subjected to cut tobacco drying and cut tobacco expansion treatment, then the cut tobacco leaves after cut tobacco drying and the cut tobacco leaves after expansion treatment are blended with prepared expanded cut stems according to the brand process and formula requirements, cigarettes are added after flavoring, and finally the cigarettes are packaged to obtain finished products. The cigarette is a key step of cigarette forming, and the cigarette rolling and connecting unit has the characteristics of high precision, high automation degree, high running speed and the like.

At present, the cigarette making and tipping machine set mainly comprises a tobacco shred supply machine, a tobacco rod forming machine and a filter tip tipping machine, wherein a suction chamber of the tobacco shred supply machine forms negative pressure when working. The suction chamber is internally provided with a silk suction belt which is driven by a silk suction belt driving wheel to rotate, and a driven wheel of the silk suction belt is arranged at the tail part of the suction chamber and is communicated with the secondary stalk silk separation air chamber. And air at an inlet at the lower end of the secondary stem shred separation air chamber is sucked under the negative pressure air suction effect of the main fan, the formed air flow carries the tobacco shreds in the secondary stem shred separation air chamber to be adsorbed on the netted tobacco shred suction belt, and the tobacco shreds move forwards along the tobacco shred suction belt through the tobacco shred stop block of the concave groove. Because there is the cavity in the indoor pipe tobacco dog that induced drafts and inhale between the silk area follow driving wheel, the cavity content easily appears the tobacco powder and piles up or adsorb on the conveyer belt follows the driving wheel, and the regional shape area of cavity diminishes from big gradually, and the stalk silk enters into the regional back of cavity along with the clearance of negative pressure air current through inhaling silk area both sides, and the stalk silk is obstructed easily. The tobacco shred hard blocks are formed by being extruded by the driven wheel of the shred suction belt which rotates at a high speed along with the continuous deposition of the cut stems in the cavity area, and the tobacco shred hard blocks are rubbed with the driven wheel of the shred suction belt, so that the resistance of the driven wheel of the shred suction belt is increased, and the greater friction is generated between the shred suction belt and the driven wheel of the shred suction belt, the temperature of the driven wheel of the shred suction belt is increased, and after the shred suction belt is deformed by heat, the shred suction belt is broken, and the shred is easily abraded or damaged by drawing. Meanwhile, the phenomenon of shell clamping of the filament sucking belt driven wheel is easy to occur, and defective products such as cigarette with empty ends and bamboo joint smoke can be caused.

At present, Chinese patent with publication number CN110680004A discloses a cut tobacco stop block device for a driven wheel at the tail part of an air suction chamber of a cigarette making machine, and discloses a technical scheme for solving the problems by changing the structure of the cut tobacco stop block. Specifically, the end surface of the cut tobacco stop block close to one side of the driven wheel of the conveying belt is designed to be a circular arc end surface/circular arc surface, and the bottom of the cut tobacco stop block is provided with a stepped groove; the circular arc-shaped end face and the conveying belt driven wheel are concentric circles, the circular arc face is matched with the maximum excircle circular arc face of the cut tobacco suction belt driven wheel, and a gap of 1.5mm is kept between the cut tobacco stop block and the driven wheel, so that interference caused by rotation of the cut tobacco stop block and the driven wheel can be prevented during operation, and meanwhile, the cavity area between the cut tobacco stop block and the driven wheel is effectively reduced, and the problem of cut tobacco accumulation is solved. But this scheme has the tobacco powder card when the tiny clearance between pipe tobacco dog and the silk suction band follow driving wheel, can lead to the silk suction band to follow the driving wheel card and die, influences the problem of equipment normal operating.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the fine clearance between the driving wheel is blocked at the pipe tobacco dog and the suction belt to the indoor cigarette end that exists of induced drafting of supplying silk machine at present, lead to sucking the belt from the driving wheel card dead, influence the normal operation risk of equipment. The utility model provides a supply silk machine can realize that the prevention inhales the silk ribbon and dies from the driving wheel card, guarantees the normal moving effect of equipment.

In order to solve the technical problem, an embodiment of the utility model discloses a supply silk machine, include:

an air suction chamber;

the tobacco shred sucking belt is arranged in the air suction chamber and used for conveying tobacco shreds;

the filament suction belt driven wheel is arranged at the tail part in the air suction chamber;

the cut tobacco stop block is arranged in the air suction chamber and is positioned on one side of the cut tobacco suction belt driven wheel; one side of the cut tobacco stop block close to the driven wheel is an arc surface; the arc surface sequentially comprises a first arc surface, a second arc surface and a third arc surface along the axial direction of the driven wheel of the silk suction belt; the second arc surface is located in the middle of the arc surface, and the radius of the second arc surface is smaller than the radius of the first arc surface and the radius of the third arc surface.

Adopt above-mentioned technical scheme, the circular arc that pipe tobacco dog and suction band are close one side from the driving wheel is provided with the circular arc that two kinds of radiuses are different, the circular arc diameter that is located the middle part is little, it is little from the laminating clearance of driving wheel with suction band, can furthest block pipe tobacco or tobacco and get into the cavity position, and if there is the gap that the tobacco got into pipe tobacco dog and suction band between the driving wheel, also can be at the rotatory in-process that suction band follows the driving wheel, discharge through the great circular arc of radius of both sides, avoid the tobacco to block up in pipe tobacco dog and suction band follow the clearance of driving wheel and lead to suction band to take place from the dead circumstances of driving wheel card, and then guarantee equipment normal operating.

As a specific embodiment, the clearance between the upper part of the second arc surface and the driven wheel of the silk suction belt is larger than the clearance between the lower part of the second arc surface and the driven wheel of the silk suction belt.

By adopting the technical scheme, the gap between the lower part of the second arc surface and the cut tobacco suction belt driven wheel is small, so that the cut tobacco stop block and the cut tobacco suction belt driven wheel are more tightly attached, and the flying-off of tobacco powder can be prevented to the maximum extent. The clearance of the upper portion of second arc surface and inhaling the silk area is big, makes second arc surface and inhaling the silk area not complete confined state from the driving wheel, and when the tobacco dust entered into the lower part of second arc surface and inhale the silk area from the minigap between the driving wheel, the accessible is inhaled the rotation of silk area from the driving wheel, takes the tobacco dust to discharge in second arc surface upper portion and the big clearance of inhaling the silk area from the driving wheel, prevents that the tobacco dust from blockking up in the tiny clearance of tobacco shred dog lower part and inhaling the silk area from the driving wheel, dies the silk area from the driving wheel card.

As a specific embodiment, the clearance between the second arc surface and the outer circle of the wire suction belt driven wheel is 0.5-1.5 mm.

By adopting the technical scheme, the gap can prevent the cut tobacco stop block from generating interference when the cut tobacco suction belt driven wheel rotates, so that friction is caused by the contact of the excircle of the cut tobacco suction belt driven wheel and the arc surface of the positioning block, and the cavity area between the cut tobacco stop block and the positioning block can be effectively reduced.

As a specific embodiment, the radius of the second arc surface is 1.0mm larger than that of the driven wheel of the wire suction belt.

As a specific example, the radius of each of the first circular arc surface and the third circular arc surface is 2mm larger than that of the second circular arc surface.

By adopting the technical scheme, the clearance between the first circular arc surface and the third circular arc surface and the suction belt driven wheel is larger, so that the tobacco powder accumulated between the second circular arc surface and the suction belt driven wheel can be discharged conveniently.

As a specific embodiment, the lower part of the cut tobacco stop block is provided with a yielding groove, the yielding groove extends along the motion direction of the cut tobacco suction belt, and the yielding groove is a through groove with the same width.

Adopt above-mentioned technical scheme, compare in the echelonment groove of stepping down, the logical groove of the width unanimity of this embodiment can avoid in process of production, and the offal blocks up and inhale the silk area and take off the groove.

As a specific embodiment, a chamfer is arranged at the lower opening of the abdicating groove.

By adopting the technical scheme, the chamfer is arranged at the port of the abdicating groove, so that the silk suction belt can smoothly and quickly fall into the abdicating groove running track, and the abdicating groove is not easy to deviate.

As a specific embodiment, the tobacco shred stop block is provided with an adjustable mounting hole.

The embodiment of the utility model also discloses cigarette equipment, including foretell confession silk machine.

Drawings

Figure 1 shows a schematic view of a prior art cigarette making apparatus;

fig. 2 is a schematic structural diagram of a cut tobacco stopper according to an embodiment of the present invention, in which fig. (a) is a front view of the cut tobacco stopper, fig. (b) is a side view of the cut tobacco stopper sectioned along the mounting hole 53 in fig. 2, and fig. (c) is a top view of the cut tobacco stopper;

in the figure: 10-a shred absorption belt driven wheel, 20-a shred absorption belt, 30-a scraper, 40-a positioning block, 50' -an original shred stop block, 60-a sealing block and 70-a shred absorption groove; 50-a tobacco shred stop block, 51-a body, 52-a abdicating groove, 53-a mounting hole, 54-a first arc surface, 55-a second arc surface and 56-a third arc surface.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. While the invention will be described in conjunction with the preferred embodiments, it is not intended that features of the invention be limited to only those embodiments. On the contrary, the intention of implementing the novel features described in connection with the embodiments is to cover other alternatives or modifications which may be extended based on the claims of the present invention. In the following description, numerous specific details are included to provide a thorough understanding of the invention. The invention may be practiced without these particulars. Furthermore, some of the specific details are omitted from the description so as not to obscure or obscure the present invention. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that in this specification, like reference numerals and letters refer to like items in the following drawings, and thus, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings.

In the description of the present embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are usually placed in when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element to which the present invention is directed must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present embodiment, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present embodiment can be understood in specific cases by those of ordinary skill in the art.

In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

As shown in fig. 1, a conventional yarn feeder is generally provided with a yarn suction belt 20, a yarn suction belt driven pulley 10, a scraper 30, a positioning block 40, a raw tobacco stopper 50', a seal block 60, and the like in a suction chamber, and a yarn suction groove 70 is further provided in a lower portion of the suction chamber. The inventor has appreciated that current solutions to reduce the gap between the tobacco stopper 50 and the suction band driven wheel 10 only reduce the accumulation of tobacco dust in the cavity area, which tends to jam the suction band driven wheel 10 when the tobacco dust is jammed in the small gap between the tobacco stopper 50 and the suction band driven wheel 10.

An embodiment of the utility model discloses a tobacco shred feeder, included the room that induced drafts, be used for carrying the silk suction band 20 of pipe tobacco and set up in the silk suction band of the indoor afterbody that induced drafts from driving wheel 10 to and be located the silk suction band from the pipe tobacco dog 50 of driving wheel 10 one side. The cut tobacco stopper 50 in this embodiment includes a body 51, and one side of the body 51 close to the cut tobacco belt driven wheel 10 is an arc surface, as shown in fig. 2 (a) and (c), the arc surface includes a first arc surface 54, a second arc surface 55, and a third arc surface 56 in sequence along the axial direction of the cut tobacco belt driven wheel 10. Wherein, the second arc surface 55 is located in the middle of the arc surface, and the radius of the second arc surface 55 is smaller than the radius of the first arc surface 54 and the radius of the third arc surface 56.

By adopting the technical scheme, the circular arcs on the side, close to the driven wheel 10, of the cut tobacco stop block 50 and the cut tobacco suction belt are provided with two circular arcs with different radiuses, the diameter of the circular arc positioned in the middle is small, the fit clearance between the cut tobacco stop block and the driven wheel 10 of the cut tobacco suction belt is small, cut tobacco or tobacco powder can be blocked to the maximum degree to enter the cavity, and the cut tobacco suction belt 20 is prevented from being worn and damaged. If tobacco powder enters a gap between the tobacco shred stop block 50 and the tobacco shred suction belt driven wheel 10, the tobacco powder can be discharged through arcs with large radiuses on two sides in the rotation process of the tobacco shred suction belt driven wheel 10, the situation that the tobacco powder is blocked in the gap between the tobacco shred stop block 50 and the tobacco shred suction belt driven wheel 10 to cause the tobacco shred suction belt driven wheel 10 to be stuck is avoided, and the normal operation of equipment is further ensured.

Further, the gap between the upper part of the second arc surface 55 and the suction belt driven wheel 10 is larger than the gap between the lower part of the second arc surface 55 and the suction belt driven wheel 10. Specifically, the gap between the second arc surface 55 and the suction belt driven pulley 10 gradually increases from the lower portion to the upper portion.

By adopting the technical scheme, the gap between the lower part of the second arc surface 55 and the cut tobacco suction belt driven wheel 10 is small, so that the cut tobacco stop block 50 is more tightly attached to the cut tobacco suction belt driven wheel 10, and the flying-off of tobacco powder can be prevented to the maximum extent. The clearance of the upper portion of second arc surface 55 and silk suction belt 20 is big, makes second arc surface 55 and silk suction belt follow driving wheel 10 not complete airtight state, and when the tobacco dust entered into the lower part of second arc surface 55 and silk suction belt follow driving wheel 10 between the booth clearance, the accessible silk suction belt is followed the rotation of driving wheel 10, takes the tobacco dust to discharge in second arc surface 55 upper portion and silk suction belt follow driving wheel 10 great clearance, and the great circular arc of cooperation both sides radius makes things convenient for the discharge of tobacco dust more. The tobacco powder is prevented from being blocked in a small gap between the lower part of the tobacco shred stop block 50 and the cut tobacco suction belt driven wheel 10, and the cut tobacco belt driven wheel is prevented from being blocked.

As a specific implementation mode, the clearance between the second arc surface 55 of the cut tobacco stop block 50 and the excircle of the cut tobacco suction belt driven wheel 10 is between 0.5 and 1.5 mm. The gap can prevent the cut tobacco block 50 from generating interference when the cut tobacco belt driven wheel 10 rotates, so that the contact between the excircle of the cut tobacco belt driven wheel 10 and the arc surface of the positioning block causes friction, and the cavity area between the cut tobacco block and the positioning block can be effectively reduced.

In one embodiment, the radius of the first arc surface 54 of the shred stop block 50 is 1.0mm larger than the maximum outer radius of the shred suction belt driven wheel 10. Specifically, for convenience of adjustment, the gap between the second arc surface 55 of the tobacco shred stop block 50 and the maximum outer circle of the tobacco suction belt driven wheel 10 is set to be 1.0mm, and meanwhile, the radius of the arc surface of the tobacco shred stop block 50 is determined as the radius of the maximum outer circle of the tobacco suction belt driven wheel 10 plus 1.0 mm. When the cut tobacco block 50 is installed in cooperation with the cut tobacco belt driven wheel 10, the center of the arc surface of the cut tobacco block 50 is concentric with the cut tobacco belt driven wheel 10.

Further, the radius of the first circular arc surface 54 and the radius of the third circular arc surface 56 are 2mm larger than that of the second circular arc surface 55, so that the clearance between the first circular arc surface 54 and the third circular arc surface 56 and the tobacco suction belt driven wheel 10 is larger, and the tobacco accumulated between the second circular arc surface 55 and the tobacco suction belt driven wheel 10 can be discharged conveniently.

Further, as shown in fig. 2 (a) and (b), a relief groove 52 is provided in the lower portion of the body 51 along the direction in which the suction band 20 moves, wherein the relief groove 52 is a through groove having a uniform width. Compared with the step-shaped abdicating groove, the tobacco powder blockage and the groove-releasing of the silk suction belt 20 can be avoided in the production process.

Specifically, a chamfer is further disposed at the lower opening of the receding groove 52. The chamfer is arranged at the port of the abdicating groove 52, so that the silk suction belt 20 can smoothly and quickly fall into the operation track of the abdicating groove 52 and is not easy to deviate from the abdicating groove 52.

As a specific implementation mode, the adjustable mounting holes 53 are formed in the tobacco shred stop block 50, so that when the tobacco shred stop block 50 is mounted on a machine table, adjustment can be performed, and adjustment of a gap between the arc surface of the tobacco shred stop block 50 and the outer circle of the tobacco suction belt driven wheel 10 is further achieved. In a specific embodiment, the diameter of the positioning block mounting hole 53 is 4.5mm, the positioning block mounting hole is fixed by using an M4 screw, and the diameter of the outer circle of the M4 screw is 4mm, so that the cut tobacco block 50 has an adjustment amount of 0.5mm relative to the screw, and if the gap between the second arc surface 55 of the cut tobacco block 50 and the outer circle of the cut tobacco belt driven wheel 10 is set to be 1.0mm, the adjustment hole can enable the adjustment gap of the second arc surface 55 of the cut tobacco block 50 relative to the maximum outer circle of the cut tobacco belt driven wheel 10 to be adjusted within a range of 0.5-1.5 mm.

Meanwhile, the cut tobacco stop block 50 of the embodiment of the application can also play a role of a scraper knife, so that a small amount of aggregates between the cut tobacco stop block 50 and the cut tobacco suction belt driven wheel 10 are taken away by the cut tobacco suction belt driven wheel 10 and the negative pressure.

According to the tobacco feeder provided by the embodiment of the application, radians with different radiuses are arranged on one side, close to the tobacco shred stop block 50 and the tobacco shred belt driven wheel 10, so that the tobacco shreds can be prevented from being gathered in a cavity area between the tobacco shred stop block and the tobacco shred belt driven wheel, and the situation that the tobacco shred belt is abraded due to accumulation of the tobacco shreds in the cavity is avoided; meanwhile, arc surfaces with different radiuses are arranged on the cut tobacco stop block, so that the phenomenon that the cut tobacco belt is blocked by small tobacco powder in a gap between the cut tobacco stop block and the cut tobacco belt driven wheel to cause the cut tobacco belt driven wheel can be avoided.

After the scheme of the embodiment of the application is practically applied, the average service life of the silk suction belt is greatly prolonged, and the average monthly usage amount is reduced from 960 to 476. The maintenance time of related parts caused by the breakage of the silk suction belt is reduced from 28 hours to 4 hours per month, the equipment failure rate and the maintenance cost are reduced, the operation rate of a machine table is effectively improved, the cigarette weight can be stably controlled, the cigarette quality is improved, and about 150 ten thousand yuan can be saved for a factory every year.

An embodiment of the utility model discloses a cigarette equipment, including above-mentioned confession silk machine.

While the invention has been shown and described with reference to certain preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing is a more detailed description of the invention, and the specific embodiments thereof are not to be considered as limiting. Various changes in form and detail, including simple deductions or substitutions, may be made by those skilled in the art without departing from the spirit and scope of the invention.

Claims (9)

1. A yarn feeder, comprising:

an air suction chamber;

the cut tobacco suction belt is arranged in the air suction chamber and used for conveying cut tobacco;

the filament suction belt driven wheel is arranged at the tail part in the air suction chamber;

the cut tobacco stop block is arranged in the air suction chamber and is positioned on one side of the cut tobacco suction belt driven wheel; one side of the cut tobacco stop block close to the driven wheel is an arc surface; the arc surface sequentially comprises a first arc surface, a second arc surface and a third arc surface along the axial direction of the filament suction belt driven wheel; the second arc surface is positioned in the middle of the arc surface, and the radius of the second arc surface is smaller than the radius of the first arc surface and the radius of the third arc surface.

2. The yarn feeder according to claim 1, wherein a clearance between an upper portion of the second arc surface and the driven pulley of the yarn suction belt is larger than a clearance between a lower portion of the second arc surface and the driven pulley of the yarn suction belt.

3. A yarn feeder as claimed in claim 1 or 2, wherein the clearance between the second arcuate surface and the outer circumference of the driven pulley of the yarn suction belt is between 0.5mm and 1.5 mm.

4. The yarn feeder according to claim 1, wherein the radius of the second arc surface is 1.0mm larger than the radius of the driven wheel of the yarn suction belt.

5. The wire supply machine of claim 1, wherein the radius of each of the first and third arcuate surfaces is 2mm greater than the radius of the second arcuate surface.

6. The tobacco shred feeding machine according to claim 1, wherein the lower part of the tobacco shred stop block is provided with an abdicating groove which extends along the motion direction of the tobacco shred sucking belt, and the abdicating groove is a through groove with uniform width.

7. The yarn feeder according to claim 6, wherein a chamfer is provided at a lower opening of the abdicating groove.

8. A thread supply machine according to claim 1, wherein the thread stop is provided with an adjustable mounting hole.

9. A cigarette making apparatus comprising a filament supply according to any one of claims 1 to 8.

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